DOORS — Cornell  Rolling  Doors 


ESTABLISHED  1846 


LONG  ISLAND  CITY,  N.  Y. 


DOORS — Cornell  Rolling  Doors 


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ROLLING  DOORS 


ESTABLISHED  1846 

Steel  Rolling  Shutters  and  Doors;  Underwriters  Labeled 

Rolling  Fire  Doors  and  Shutters 


New  York  City  Branch 
Cornell  Building 
26th  St.  &-  11th  Ave. 

N.  Y.  C. 


Main  Office  and  Plant 

36-20  13th  St.  (Marion  St.)  —  36-15  12th  St.  (Sherman  St.) 
Long  Island  City,  N.  Y. 

Cable  Address — Llenroc 

Copyright,  1926,  by  Cornell  Iron  Works,  Inc.,  Long  Island  City,  N.  Y. 


HISTORY 

CORNELL  IRON  WORKS,  INC. 

Established  1846  by  John  Black  Cornell  and  William  W.  Cornell 
Pioneers  in  the  manufacture  of  hinged  slat  rolling  steel  doors 


WE  realize  that  age  alone  is  not  the  most 
accurate  criterion  of  excellence.  Expe¬ 
rience  is  only  the  best  teacher  if  the  lessons  are 
promptly  acted  upon  to  produce  improvement. 

During  eighty  odd  years  of  manufacturing 
Cornell  Iron  Works  has  discarded  many  de¬ 
signs,  and  much  equipment,  in  favor  of  better 
methods  and  machinery.  This  progress  toward 
perfection  we  mean  to  continue. 

The  first  of  the  family  to  start  in  the  iron 
business  was  George  Cornell  of  New  York,  who 
took  over  his  employer’s  organization  in  1828 
to  try  his  fortune  as  a  manufacturer  and  erector 
of  iron  work.  In  1846  his  two  younger  broth¬ 
ers  started  for  themselves,  in  a  similar  line,  as 
J.  B.  &  W.  W.  Cornell. 

John  B.  Cornell,  the  grandfather  of  the  pres- 

Milton  Longacre  Cornell,  C.E., 

President  and  Treasurer. 


ent  President  and  Vice-President  of  Cornell 
Iron  Works,  was  a  pioneer  in  the  manufacture 
of  hinged  slat  rolling  steel  doors,  taking  out 
one  of  the  earliest  patents  in  this  art  in  1854. 
Many  of  his  installations  are  still  in  operation 
after  seventy  years  of  service. 

Cornell  Iron  Works,  Inc.,  recently  moved 
their  main  office  and  shops  to  their  new  and 
modern  plant  in  Long  Island  City,  New  York, 
after  forty  years  at  26th  Street  and  nth  Ave¬ 
nue,  New  York  City. 

The  high  ideals  and  traditions  of  the  found¬ 
ers  are  carried  on  by  the  present  organization. 
Cornell  Rolling  Steel  Doors  are  scientifically 
designed,  accurately  manufactured,  painstak- 
ingly  inspected  and  tested.  We  recommend 
them  to  all  users  who  appreciate  fine  work. 

John  Black  Cornell,  Ph.B., 
Vice-President  and  Secretary. 


John  M.  Cornell,  Auditor 
Formerly  Pres.  J.  B.  &  J.  M.  Cornell  Co. 


Steinway  &  Sons,  N.  Y.  C. 
CORNELL  doors  after  57 
years  of  service. 


H.  B.  Claflin  &  Co.,  N.  Y.  C. 
CORNELL  doors  after  41 
years  of  service. 


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PAGE  2 


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. . . 


General  Description 


Cornell  Rolling  Steel  Doors  roll  up  out 
of  the  way  overhead.  They  eliminate 
waste  floor  space.  They  operate  very 
easily  in  the  largest  sizes.  They  are 
weather  proof,  burglar  proof  and  fire¬ 
proof. 

The  Cornell  Door  proper  is  built  up  of 
a  series  of  interlocking,  cold  rolled,  mould¬ 
ings,  called  slats.  It  is  stiff  against  pres¬ 
sure,  but  flexible  to  roll  up. 

The  door  is  retained  at  the  sides  in 
heavy,  channel  shaped,  guides. 

The  flexible  Cornell  door  rolls  up  on  an 
overhead  steel  pipe  roller,  called  the  shaft. 

The  shaft  is  supported  at  each  end  in  a 
steel  bracket  which  contains  the  bearings. 
The  steel  brackets  are  fastened  to  the 
heavy  steel  side  guides. 

The  overhead  shaft  roller  contains  one 
or  more  high  grade  springs.  The  springs 
are  accurately  designed  to  counterbalance 
the  door  at  any  point  in  its  travel. 

Small  Cornell  Doors  are  made  to  push 
up  and  pull  down  by  handles  on  the  bot¬ 
tom.  This  is  called  the  self  coiling  type. 

Larger  Cornell  Doors  are  furnished  with 
geared  operating  brackets.  The  gears 
furnish  the  leverage  to  wind  and  unwind 
the  pipe  roller  shaft,  which  raises  and 
lowers  the  door. 

The  operating  gears  are  turned  by  a 
sprocket  wheel  and  an  endless  hand  chain 
which  reaches  to  the  floor.  This  is  called 
the  chain  gear  type. 

The  gears  may  be  turned  by  a  vertical 
shaft  leading  to  a  hand  crank  attachment 
near  the  floor. 

Very  large  Cornell  Doors  may  be  rap¬ 
idly  and  economically  operated  by  elec¬ 
tric  motors. 

Cornell  Rolling  Doors  are  made  to  or¬ 
der  to  fit  the  individual  opening. 

Cornell  Rolling  Doors  can  be  used  for 
practically  any  opening.  The  following 
pages  show  a  number  of  types  of  Cornell 
doors  and  illustrate  typical  installations. 

Consult  our  Engineering  Department 
for  layouts  of  special  openings. 

For  doors  exposed  to  severe  weather 
conditions  use  Cornell  patented  non-cor- 
rodible  curtain  bottoms.  This  construc¬ 
tion  more  than  doubles  the  life  of  the  in¬ 
stallation.  Write  for  special  circular. 


Channel  shaped  guides 
in  place. 


Steel  curtain  in  place. 


Steel  brackets  attached, 
supporting  the  shaft. 


Curtain  rolled  up,  with 
hood  in  place. 


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PAGE  3 


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ROLLING  DOORS 


CORNELL  ‘DEEP  ARCH’  INTERLOCKING  STEEL  SLATS. 

Arched  against  wind  pressure.  %  inches  deep.  Edges  protected  by  rivetted  nialleable 
iron  end  locks.  Made  in  22,  20,  18  and  16  U.  S.  gauge  cold  rolled  steel,  copper  bearing, 
or  standard.  All  slats  are  galvanized. 


Cornell 

slats 

under 

test 


Types  of  Cornell  Commercial  Service  Doors 


1.  Self 
coiling 

operation,  with 
bandies. 

Door  on 
face  of  wall. 

Type  SCF. 


2.  Self 

coiling 

operation 

with 

handles. 

Door 

under 

lintel. 

Type  SCB. 


5.  Hand  chain  operation, 
through  wall.  Door  on 
outside.  Type  CGTF 


3.  Hand  chain  operation. 
Door  on  face  of  wall. 


Type  CGF. 


4.  Hand 

chain 

operation. 

Door 

under 

lintel. 

Type  CGB. 


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Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 


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PAGE  4 


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PUSH  UP,  OR  SELF  COILING,  TYPE. 

Pulls  down  with  a  pole,  when  over  seven 
feet  high.  Located  on  face  of  wall.  Per¬ 
spective  view. 


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x: 


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TYPE  SCB. 

Self  Coiling,  Between  jambs  location. 


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TYPE  SCF. 

Self  Coiling,  Face  of  wall  location.  Oper¬ 
ated  by  one  or  more  handles  on  the  bottom 
and  locked  by  bottom  sliding  bolts. 


XL 


TYPE  CGB. 

Chain-Geared  Operation.  Between  jambs 
location. 

The  hand  chain  revolves  the  overhead  shaft, 
through  the  sprocket  and  gears,  to  raise  or 
lower  the  door. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 


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shutters, 


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Y. 


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Garage  doors  in  the 

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Rapid 


Transit  Co.,  N.  Y.  C. 

Illlll  11  III  II  II 


Rolling  shutter  protecting  jewelry  window,  Broadway,  N.  Y.  C. 


T 

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Atlantic  &  Pacific  Co.  building.  New  Haven,  Conn. 


Warehouse  doors,  Jacksonville,  Florida. 

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V  ROLLING  DOORS 


PAGE  6 


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PERSPECTIVE  VIEW  OF  TYPE  CGF. 

The  hand  chain  revolves  the  shaft  in  either 
direction  to  raise  or  lower  the  door. 


Chain  Gear  operation.  Face  of  wail  loca¬ 
tion. 


TYPE  CGB  (vertical  gearing). 
Similar  to  Type  CGB,  except  for  the  loca¬ 
tion  of  the  actuating  chain  sprocket  and 
gearing. 


TYPE  CGTF. 


Chain  and  Gear  operation.  Face  of  wall 
location.  Through  shaft  to  operate  an  out¬ 
side  door  from  inside  the  building,  and  vice 
versa. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 


PAGE  7 


II 


ROLLING  DOORS 


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Rolling  steel  door  with  wicket  door,  closed. 


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Rolling  door  part  open.  Wicket  door  and  frame  swung  in. 


Architects  Bldg.,  101  Park  Ave.,  N.  Y.  C. 


U.  S.  Navy  Dept.,  Pearl  Harbor,  Hawaii. 


inf 


Wood  yard,  N.  Y.  C.  Two  doors  with  swing  post. 


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Center  nnillion  swung  up,  giving  clear  opening. 


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PAGE  8 


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ROLLING  DOORS 


TYPE  HCF. 

Hand  Crank  operation.  Face  of  wall  loca¬ 
tion.  The  hand  crank  replaces  the  hand  chain 
in  this  type. 


CORE  OVEN  DOOR. 

Made  with  a  supplementary  shaft  com¬ 
pletely  insulated  to  protect  the  spring.  Con¬ 
tinuous  end  locks  limit  the  passage  of  air 
around  the  curtain  edges. 


WICKET  DOOR. 


Used  in  large  doors  for  the  convenience  of 
quick  entrance  and  exit.  When  the  rolling 
door  is  raised  the  wicket  frame  is  swung  clear. 
See  opposite  page. 


MOVABLE  POST. 

Used  to  divide  large  doorways  into  two  or 
more  units.  When  the  rolling  doors  are  up 
the  posts  can  be  swung  out  of  the  way,  or 
run  on  trolleys,  giving  the  maximum  opening. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 


PAGE  9 


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Cornell  Motor  Driven  Doors 


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Since  the  development  of  reliable  electrical  equip¬ 
ment,  and  the  universal  installation  of  electrical  power, 
Cornell  motor  driven  rolling  doors  have  proved  increas¬ 
ingly  popular.  While  the  first  cost  is  considerably  higher 
than  hand  operation,  the  ultimate  economy  is  great.  A 
few  cents  a  day,  for  current,  results  in  many  minutes 
saved  for  labor,  waiting  automobiles,  locomotives  and 
cars.  In  severe  weather  the  quick  opening  and  closing 
of  doors  proves  of  prime  importance. 

Cornell  electric  driven  units  are  the  result  of  exhaus¬ 
tive  experiment  and  long  experience.  Made  in  the  Cor¬ 
nell  factory  they  are  carefully  tested  before  shipment. 
The  material  is  the  highest  grade  obtainable  and  the 
workmanship  is  painstaking  and  accurate. 

Specification  for  Cornell  Motor  Operator  M-2 

Motor — General  Electric  1,  2,  or  larger,  hp.,  voltage 
and  current  to  suit. 

Starter — General  Electric,  magnetic  switch,  automatic 
starter,  enclosed,  with  protective  plugs. 

Sivitch — Double  throw,  enclosed,  safety,  reversing 
switch,  as  manufactured  by  the  Trumbull  Electric  Mfg. 
Co. 

Brake — Cutler-Hammer,  actuating  solenoid  magnet. 
Cornell  brake  shoes,  arms  and  brake  pulley. 

Limit  Switch — Screw  type,  enclosed,  automatically 
cuts  off  current  when  door  reaches  top,  or  bottom,  of  its 
travel. 


CORNELL  STANDARD  MOTOR 
OPERATOR  M-2. 

Note  neat  and  compact  drive  mounted  on  an 
unbreakable  heavy  steel  bracket. 


Gears — All  cut  gears,  keyed  to  shafts,  idler  pinion 
micarta  noiseless,  motor  pinion  of  cut  steel.  Worm 
wheel  of  cast  iron,  worm  of  steel,  enclosed  in  dustproof 
box,  running  in  oil,  with  ball  thrust  bearings  either  end 
of  worm. 

Emergency  hand  chain  operation  furnished,  in  case 
of  failure  of  electric  current. 

Bearings — Heavy  load  bearings  bronze  bushed,  light¬ 
er  load  bearings  babitted.  Inaccessible  bearings  oilless 
type,  bronze  and  graphite,  or  fitted  with  grease-gun 
connections. 

Operation  of  M-2  Cornell  Motor  Operator 

On  throwing  the  knife  switch,  the  solenoid  acts  to 
open  the  brake  and  the  door  moves  up  or  down,  as  the 
case  may  be,  at  a  rate  of  approximately  1  ft.  per  second. 

On  reaching  the  top  or  bottom  of  the  door  travel, 
the  limit  switch  operates,  automatically  cutting  off  the 
current,  stops  the  motor,  cuts  out  the  brake  magnet  and 
lets  the  brake  go  on  with  full  power,  locking  the  entire 
mechanism  against  further  travel. 

-  The  action  is  foolproof. 

Door  may  be  stopped  at  any  point  in  its  travel,  by 
simply  throwing  the  switch.  This  operation  automat¬ 
ically  puts  on  the  brake,  and  the  door  stops  promptly. 

Push  button  control  can  be  furnished,  with  one  or 
more  stations,  at  an  extra  cost. 

Cornell  Motor  Operator  M-3 

This  is  a  heavy  duty  unit  suitable  for  the  largest 
doors  made.  The  principle  is  identical  with  M-2. 

The  bracket  is  made  with  a  double  diaphragm,  rig¬ 
idly  latticed.  All  gears  are  cut  spurs,  and  have  wide 
faces.  On  very  large  doors,  for  heavy  duty,  the  train 
of  spur  gears  will  deliver  power  with  much  less  loss 
than  a  worm  reduction. 

Railroad  Entrances 
—Cornell  motor  driven 
doors,  16  to  17  ft. 
wide,  by  22  ft.  high, 
give  excellent  service. 

Garages  and  Ramps 
—Cornell  motor  driven 
doors,  with  push  but¬ 
ton  controls,  are  very 
popular.  One  set  of 
controls  may  be  lo¬ 
cated  in  the  garage 
office  for  maximum 
convenience. 

Granezvays  —  Three 
Cornell  motor  driven 
doors  are  usually  em¬ 
ployed.  The  swing 
posts,  or  mullions,  are 
raised  and  lowered  by 
a  separate  motor. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31.  | 

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PAGE  10 


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CRANEWAY  DOORS. 

Electric  motor  operation  raises  the  doors  and  swings  up  the  intermediate  posts,  giv¬ 
ing  a  clear  craneway.  The  operation  is  protected  by  automatic  limit  switches.  The  con¬ 
trol  may  be  on  the  crane  or  at  ground  level.  Doors  may  be  placed  inside  or  outside  the 
building.  Our  engineering  department  should  be  consulted  on  the  design  of  supports. 


Electric  Motor  operator  M-3  for 
heavy  duty. 


Electric  Motor  operator  M-2  applied  to  door 
on  the  face  of  wall. 


Standard  reversing 
switch  control. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 


PAGE  11 


. . . . I . . 


Phila.  &  Reading  R.  R.,  32  doors,  Coatesville,  Pa 

I  1 1 1 1 


Motor  driven  door,  Power  Plotise,  U.  S.  Gov’t,  Chelsea,  N.  Y. 

THTT 


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um 


Florida  East  Coast  R.  R.  freight  house  doors,  West  Palm  Beach,  Fla. 


Phila.  &  Reading  R.  R.,  Trenton,  N.  J. 


PAGE  12 


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JiOLLING  DOORS 


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Trolley  Bridge  to  carry  the  current  wire 
through  the  lintel.  An  insulated  run  is  pro¬ 
vided  for  the  trolley  wheel  and  the  gap  is 
closed  as  shown  when  the  door  is  up. 


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m 


Standard  zee  bar 
guide,  for  doors 
up  to  I5'‘wide. 


Guide  for 
wide  doors. 


Zee  bar  guide 
for  high  doors. 


Guide  fastened 
to  steel  channel. 


Double  guide 
fastened  to 
steel  column. 


Single  guide 
*■’  fastened  to 
steel  column. 


A 

P  K 

/ 

rii 

Guides  for  doors  placed  be¬ 
tween  jambs.  Right  guide  is 
built  out  to  allow  for  operat¬ 
ing  gears  on  overhead  bracket. 


Guides  recessed  into 
masonry  jambs.  Right 
side  for  narrow  door, 
left  side  for  wide 
door. 


Standard  locking  slide  bolt,  operated 
from  inside  only. 


Locking  slide  bolt  with  hasp  open. 


Slide  bolt  with  rim  lock,  operated 
from  either  side  of  door. 


Section 
standard 
chain  lock. 


Standard  chain  lock, 
with  padlock. 


Slide  bolt  closed  with  padlock. 


LOCKING  DEVICES 


Crank  gear  box 
with  padlock. 


Complete  Dimension  Diagrams,  pages  27,  28  and  29.  Complete  specifications,  pages  30  and  31. 

. . . 

PAGE  13 


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Peter  Doelger  Garage — Rolling  doors  on  the  outside  operated  from  the  inside. 


30  foot  wide  door  in  school,  Westville,  Conn. 


Tenn.  Copper  &  Chem.  Co. — 24  doors — Lockland,  Ohio. 


-  r?DRNELL  « 

V  ROLLING  DOORS 

PAGE  14 


Honolulu,  Hawaiian  Islands, 


l^dVes 


mmimimmiiiniiiiiiiTTTTrn 


\oungs  Hotel,  Honolulu,  T.  H.  Cornell  Fire  Doors 


Armour  &  Co.,  Los  Angeles,  Cal. 


Los  Angeles  Soap  Co.,  San  Francisco,  Cal. 


I 


PAGE  15 


ELL 

ROLLING  DOORS 


Craiieway  door,  Easton,  Pa. 


shows  motor. 


Motor  driven,  35  feet  high. 


Motor -driven  door  at  Kirkman  &  Sons,  Bklyn.  Width  of  opening,  45  feet.  Then  the  widest  rolling  door  ever  made.  View  at  right 


Lord  &  Taylor,  5th  Ave  ,  N.  Y.  C.  Solid  bronze  rolling  door. 


PAG 


16 


30  ft.  motor  driven  door — Western  Electric  Co.,  Boston. 


Wide  motor  driven  door — Putnam  Coal  &  Ice  Co.,  Bklyn.,  N.  Y. 


[jTirmg 


48 


doors 


with 


non-corroding 


bronze 


Me. 


Fay, 


Spofford  &  Thorndyke, 


Engs. 


bottom  slats — State  Pier,  Portland, 


PAGE  17 


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AUTOMATIC  FIRE  DOORS 

UNDERWRITERS  LABELLED 


iiiiiiiiiiiiiiimiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiimiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiiiiii 


/T5RNELL  ^ 

V  ROLLING  DOORS 


Cornell  Rolling  Steel  Fire  Doors 

Labeled  by  Underwriters  Laboratories,  Inc. 
Approved  by  Factory  Mutual  Laboratories 


Cornell  labeled  fire  doors  close  automatically  at  150°  F.  They  have  been 
subjected  to  severe  fire  tests  and  each  door  is  checked  and  labeled  by  a 
Laboratories  inspector  before  shipment. 

Underwriters  Laboratories,  Inc.,  of  Chicago,  are  the  official  testing  lab¬ 
oratories  for  the  insurance  companies  of  America  and  their  labels  assure 
the  lowest  rates. 

Cornell  labeled  doors  operate  easily,  for  normal  service,  independently 
of  the  automatic  devices.  They  are  not  difficult  to  operate  after  they  have 
closed  automatically.  The  releasing  and  closing  mechanism  can  be  quickly 
reset,  without  special  tools. 

Cornell  labeled  fire  doors  are  of  large  and  heavy  construction  to  with¬ 
stand  a  severe  fire  over  a  long  period.  The  following  features  are  notable: 

A  powerful  starting  force,  acting  immediately  upon  the  parting  of  the 
fusible  link. 

An  automatic  braking  action  to  prevent  a  jarring  closure,  with  an  addi¬ 
tional  governor  where  required. 

Non-corrodible  rolling  contacts  for  the  automatic  release. 

Non-corrodible,  self-lubricating,  bearings  throughout. 

Fusible  washers,  over  slotted  holes,  and  liberal  clearances  for  free  ex¬ 
pansion  under  high  heat. 

An  automatic  bafifle  plate  to  prevent  the  passage  of  flame  around  the  coil. 

Continuous  end  locks  to  stop  flame  by-passing  the  edges  of  the  curtain 
in  the  guides. 

Automatic  self -aligning  end  locks,  which  assure  an  even  coil. 

Dust  covers  on  the  bottoms  of  the  side  guides  which  prevent  interfer¬ 
ence  with  their  free  expansion. 

Cornell  labeled  rolling  steel  fire  doors  are  made  in  the  following  types. 
The  classifications  are  laid  down  by  the  Underwriters  and  must  be  cor¬ 
rectly  determined  to  receive  proper  credit  for  the  doors.  The  price  varies 
with  the  different  types. 

Always  specify  the  type  of  opening. 

Labels  are  only  given  within  the  limiting  sizes. 

FIREWALL  OPENINGS 

TYPE  A,  requiring  A  labels  and  No.  IG  gauge  curtains. 

The  most  severe  exposure.  Standard,  two  doors  per  opening.  Must 
be  automatic  closing. 

Limiting  size  80  square  feet,  no  dimension  to  exceed  12  feet. 

Cornell  Types  carrying  A  labels : 

Llenroc  lA — Eace  of  wall  location,  push  up  operation. 


Section  of  side  guide  showing 
fusible  washers  and  slotted 
holes. 


Flame  stop  baffle  plate.  Dot¬ 
ted  line  shows  closed  position. 


Guides  are  shown  fastened  with  through  Bolts.  E.xpansion  bolts  are  approved  in  many  locations, 
&lliiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiliiiMmluuiiiiJiiiiiiiii[iJiiiiiiiiillilliiliiiiiiiiiiiiiiiiiiiiiiiMiiiiiiii]miiliiiiiiiiiiiiiiiiiiiiiiiiiiniiiiiiiiiiiiiiiiiiiiiiiiiniiiiiiii^ 


PAGE  18 


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Hand  crank  operated 
bracket.  Normal  posi¬ 
tion. 


AUTOMATIC  FIRE  DOORS 
UNDERWRITERS  LABELLED 


ELL 

rolling  doors 


Llenroc  llA — Face  of  wall  location,  hand  chain  operation. 
Llenroc  21 A — Face  of  wall  location,  hand  crank  operation. 
Llenroc  lOlA — In  the  opening  location,  push  up  operation. 
Llenroc  lllA — In  the  opening  location,  hand  chain  operation. 
Llenroc  121A — In  the  opening  location,  hand  crank  operation. 

VERTICAL  SHAFT  OPENINGS,  CLASS  B 
CORRIDOR  AND  ROOM  PARTITION  OPENINGS, 

CLASS  C. 

These  openings  require  one  door,  and  a  lighter  gauge  curtain. 
No.  2. 

Limiting  size  80  square  feet,  no  dimension  to  exceed  12  feet. 
Cornell  types,  carrying  either  B  or  C  label : 

Llenroc  2 A — Face  of  wall  location,  push  up  operation. 

Llenroc  12A — Face  of  wall  location,  hand  chain  operation. 

Llenroc  22A — Face  of  wall  location,  hand  crank  operation. 

Llenroc  102A — In  the  opening  location,  push  up  operation. 
Llenroc  112 A— In  the  opening  location,  hand  chain  operation. 
Llenroc  122A — In  the  opening  location,  hand  crank  operation. 
The  above  six  types, are  automatic  closing.  They  can  also  be  fur¬ 
nished  with  labels  in  a  non-automatic  type. 


Automatic  release  set  for 
normal  operation. 


Automatic  release,  after 
fusing  of  the  link,  show¬ 
ing  how  the  pawls  have 
rolled  out  of  contact. 


When  doors  or  shutters,  Class  A,  B,  C  or  D  are  above  the  label¬ 
ing  limits  a  certificate  of  inspection  and  approval  from  the  Under¬ 
writers  Laboratories  will  be  furnished. 


Bracket,  after  fusing  of 
the  link,  showing  how 
all  gears  are  freed  for 
closing. 


Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 


EXTERIOR  WALL  OPENINGS,  DOORS  OR  SHUTTERS, 

CLASS  D 


These  openings  require  one  door,  or  shutter,  and  a  22  gauge 
curtain. 

Limiting  size,  100  square  feet,  no  dimension  to  exceed  12  feet. 

Cornell  types,  carrying  D  label : 

Llenroc  3A — Face  of  wall  location,  push  up  operation. 

Llenroc  13A — Face  of  wall  location,  hand  chain  operation. 

Llenroc  23A — Face  of  wall  location,  hand  crank  operation. 

Llenroc  103 A — In  the  opening  location,  push  up  operation. 

Llenroc  113A — In  the  opening  location,  hand  chain  operation. 

Llenroc  123A — In  the  opening  location,  hand  crank  operation. 

The  above  sizes  are  automatic  closing.  They  can  also  be  furnished 
with  labels  in  a  non-automatic  type.  Cornell  Class  D  labeled  auto¬ 
matic  closing  fire  shutters,  above  the  first  floor,  are  furnished  with  a 
device  for  testing  and  resetting  from  the  inside  of  the  building,  when 
specified. 


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tjlUlllllfTTITTT 


. . . . . 


AUTOMATIC  FIRB:  DOORS 

UNDERWRITERS  LABELLED 


FLOOR  PLAN 

Illustrates  locations  of  labelled 
Rolling  Doors  and  Shutters. 
Ringed  letters  refer  to  different 
-j  class  labels  as  follows: 

Class  A — For  Fire  Walls.  No.  16 
gauge. 

Class  B — For  Vertical  Shafts.  No. 
20  gauge. 

Class  C — For  Corridor  and  Room 
Partitions.  No.  20  gauge. 
Class  D — For  Exterior  Wall  Open¬ 
ings.  No.  22  gauge. 


Types  of  Cornell  Labeled  Underwriters  Rolling  Doors 


1.  Self 
coiling 
operation, 
with  handles. 
Automatic 
door  on 
face  of 
wall. 

Types : 
Llenroc 
lA,  2A,  3A. 


2.  Self 

coiling 

operation 

with 

handles. 

Automatic 

door  under 

lintel. 

Types: 
Llenroc 
lOlA,  102A, 
103A. 


3.  Hand  crank 
operation. 
Automatic 
door  on 
face  of 
wall. 

Tyjies : 

Llenroc 
21A,  22A,  23A. 


4.  Hand  chain 
operation. 
Automatic 
door  under 
lintel. 

Types : 
Llenroc 
lllA,  112A, 
113A. 


Note : 


5.  Double 
doors  in  a 
fire  wall. 

One  coiling 
above  the 
other. 

Types : 
Llenroc 
lOlA  or  lllA. 


6.  Hand  chain 
operation. 
Types : 

Llenroc 
UA,  12A,  13A. 


All  types: 
A=15"  to  18" 
A=17"to22" 


Types  marked  with  an  “A”  after  the  number  are  automatic  closing. 
Doors  numbered  from  1  to  10  are  operated  by  handles. 

Doors  numbered  from  10  to  20  are  operated  by  chain. 

Doors  numbered  from  20  to  30  are  operated  by  hand  crank. 

Doors  from  100  to  200  are  located  between  jambs 


Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 


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PAGE  20 


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AUTOMATIC  FIRE  DOORS 
UNDERWRITERS  LABELLED 


a 


f 


LLENROC  lA,  2A,  3A 
Push  up,  self  coiling  type.  Underwriters  la¬ 
belled.  Face  of  wall  location.  Perspective  view. 


LLENROC  lA,  2A,  3A 

Self  coiling  type.  Labelled,  automatic.  Face 
of  wall  location. 


Fire  wall  doors,  carrying  Class  A  labels,  are 
usually  placed  in  pairs,  one  each  side  of  open¬ 
ing.  This  may  be  done  with  any  type  of 
operation. 


LLENROC  llA,  12A,  13A 
Chain  operated  type.  Labeled,  automatic. 
Face  of  wall  location.  Spring  release  mechan¬ 
ism  shown  in  lower  right  corner. 


LLENROC  21A,  22A,  23A 
Hand  crank  operation.  Labeled,  automatic. 
Face  of  wall  location.  May  be  operated  from 
either  side,  if  desired,  as  indicated. 


Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 

PAGE  21 


Double  labeled  fire  doors,  Williams  Club,  N.  Y.  C. 


Shreve  &  Lamb,  Archts.  Geo.  A.  Shedden  Co.,  Cents. 


98  labeled  fire  shutters 
N.  E.  Tel.  &  Tel. 
Portland,  Me. 


1 

1 1 

T 

PAGE  22 


latri 


LLENROC  lOlA,  102A,  103A— PLAN  1 

Push  up,  self  coiling  type.  Door  coil  under 
the  lintel.  Guides  placed  between  jambs. 
Lower  right  corner  shows  double  fire  wall 
doors. 


Self  coiling  type.  Door  coil  under  lintel. 
Guides  on  face  of  jambs. 

Lower  right  corner  shows  double  fire  wall 
doors. 


LLENROC  lOlA— DOUBLE  AND 
SUPERIMPOSED 

Used  with  Class  A  labeled  fire  doors  only. 
Door  coils  are  placed  under  the  lintel.  Guides 
are  located  as  shown. 


LLENROC  lOlA— DOUBLE  AND 
SUPERIMPOSED 

Perspective  view.  Guides  as  in  Plan  3,  but 
fastened  with  long  expansion  bolts  and  built 
in. 


Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 


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PAGE  23 


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DOORS 


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IHSRECTED 

Pf  DOOR  FOR  OPERIRa  IN  VERTIOfll 


mmmimSimm 


Motor  Mart  Garage,  Boston.  59  Cornell  Fire  Doors.  Ralph  Harrington  Doane,  Archt.  Chase  &  Gilbert,  Contractors. 


Bowdoin  Square  Garage,  Boston.  32  Cornell  Fire  Doors. 


Ralph  Harrington  Doane,  Archt.  Chase  &  Gilbert,  Contractors. 


PAGE  24 


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LLENROC  lllA,  112A,  113A 
Chain,  sprocket  and  gear  operation.  Coil 
under  the  lintel — Guides  placed  between 
jambs. 


LLENROC  121A 
Double,  Class  A,  la¬ 
beled,  fire  wall  doors, 
operated  s  i  m  u  1  t  a  - 
neously  by  h  a  n  d 
crank.  Coils  under 
lintel,  guides  be¬ 
tween  the  jambs. 


Upper  views  shows 
side  guide  fastened  to 
iron  brick  built  into 
the  w'all. 

Lower  view  show’s 
guide  fastened  to  an¬ 
gle  jamb. 


Method  of  fastening 
the  automatic  brack¬ 
et  overhead,  to  a  steel 
lintel. 


LLENROC  3A,  AS  AUTOMATIC  FIRE 
SHUTTER.  PLAN  1. 


LLENROC  3A,  AS  AUTOMATIC  FIRE 
SHUTTER.  PLAN  2. 


Located  on  exterior  w'all  to  protect  window 
opening.  The  gearing  resets  and  raises  the 
shutter.  Operation  by  hand  crank  inside  the 
building. 

Lower  right  corner  shows  small  escapement 
governor. 


Raising  and  resetting  the  shutter  after  test  is 
accomplished  by  hand  chain  inside  the  build- 
ing. 

Lower  right  corner  shows  chain  and  sprocket 
on  inside  wall.  Chain  is  removable  when  not 
in  use. 


Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 


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PAGE  25 


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rXDRNELL  ^ 

V  ROLLING  DOORS 

Labeled  door 


for 


scene 


ifting, 


Phila. 


Pa, 


Theatre,  Portland,  Me.  Door  closed  as  in  case  of  fire. 


Labeled  Underwriters  doors  on  elevator  shaft,  Phila.,  Pa. 


Labeled  door,  coiled  in  the  lintel — Keith’s 


Fire  doors  on  bridge,  Saks  &  Co.,  N.  Y.  Shreve  &  Lamb,  Archts.  Thompson  &  Starrett,  G.  C. 


PAGE  26 


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AUTOMATIC  FIRE  DOORS 
UNDERWRITERS  LABELLED 


Escapement  type  of  governor  applied  to 
automatic  fire  door.  This  form  of  gov¬ 
ernor  controls  the  descent  of  the  curtain  from 
the  start,  makes  a  loud  warning  noise  and 
should  be  used  for  doorways  serving  as  pos¬ 
sible  exits. 


Centrifugal  type  of  governor  applied  to 
automatic  fire  door.  This  form  of  governor 
prevents  excessive  speed  in  the  closing  of 
large  doors. 


Height 

in 

Feet 

Width  of  Opening  O'.O"  to  6'.0" 

6'-0"  to  8'.0" 

8'.0"  to  10'.0" 

10'.0"  to  12'.0" 

A 

B 

C 

D 

E 

F 

G 

H 

I 

J 

C 

D 

E 

F 

G 

H 

D 

E 

F 

G 

H 

D 

E 

F 

G 

H 

O'.  6' 

15" 

16" 

3" 

2" 

5M" 

lYi' 

8" 

9" 

12" 

20" 

4" 

2%" 

5K" 

8" 

8K" 

9M" 

2%'' 

53^" 

8" 

8>^" 

934" 

4M" 

734' 

9" 

9^" 

11" 

6'.  8' 

16" 

17" 

3" 

2" 

5M" 

8" 

9" 

12" 

20" 

4" 

2%" 

Ws" 

8" 

9M" 

2%" 

8" 

83^" 

9>^" 

434" 

734" 

9" 

934" 

11" 

S'-IO' 

17" 

18" 

3" 

2" 

5M" 

7K" 

8" 

9" 

12" 

20" 

4" 

2%" 

53^" 

8" 

8M" 

93^" 

2%" 

8" 

83i" 

934" 

434" 

734" 

9" 

934" 

11" 

10'.  1 2' 

18" 

19" 

3"|2" 

5M" 

7H" 

8" 

9" 

12" 

20" 

4" 

2%" 

53^" 

8" 

83^" 

93^" 

2%" 

8" 

834" 

9y2" 

434" 

734" 

9" 

934" 

11" 

Guides  are  shown  fastened  with  through  Bolts.  Expansion  bolts  are  approved  in  many  locations. 


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PAGE  27 


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PT 


iiiiiiiiiiiiiiiiiii 


AUTOMATIC  FIRE  DOORS 
UNDERWRITERS  LABELLED 


f  ♦  D 


■PLAN 


Height 

in 

Feet 

Width  of  Opening 

O'-O"  to  h'-O" 

6'-0"  to  8'-0" 

8'-0"  to  lO'-O" 

lO'-O"  to  12'-0" 

A 

B 

C  D 

E,FG|  H 

1  i  1 

I  1  J 

C  Dj  E  F|G 

H 

D 

E 

F 

C,H 

C  D  |E 

FjG 

H 

O'-  6' 

15" 

24" 

4'j2M:" 

4"j5"|6"|12" 

4"  6" 

4"|6" 

43^"j3'|4M"j6"|6" 

12" 

3" 

4i^"6" 

6"  12" 

6" 

4K"6" 

8"|6" 

12" 

t 

CO 

16" 

24" 

4"|2M"4''j5",6",12" 

4)^"3"4H'j6"j6' 

12' 

3" 

4>^" 

A" 

6" 

12"j 

6" 

4>^",6' 

8"  6" 

12" 

8'- 10' 

17" 

24" 

4",2M"j4"j5"j6"jl2" 

4"6«' 

43^"|3"4H"|6"6" 

12" 

3" 

4^" 

6" 

6" 

12"j 

6" 

4K"6" 

8" 

8" 

6" 

12" 

10'.  12' 

18"i24";4"2J^" 

4"  5"  6"  12" 

4"'6" 

4H"|3"|4^"6"|6"|12" 

3"i4i^" 

6" 

6" 

12"! 

6' 

4>4*',6" 

6"|12" 

■I  I 


II I 


TY  PB.- 
S.C.B. 


•  Ei.£VATIO/»  • 


Guides  are  shown  fastened  with  through  Bolts. 
Expansion  bolts  are  approved  in  many  locations. 


Height 

Opening  up  to  lO'-O"  Wide 

Feet 

A 

B 

C 

D 

E 

F 

G 

5"-0" 

13" 

14" 

3" 

2M" 

2K" 

3M" 

8"-0" 

14" 

15" 

3" 

5M" 

2K" 

3^" 

10" -0" 

15" 

16" 

3" 

2%" 

5M" 

2y2'' 

33^" 

12"-0" 

16" 

17" 

3" 

2%" 

5M" 

2K" 

3K" 

PAGE  28 


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HlllllillllllllllllllllllllllllllllllltlllllllllllllllllllllllllllllllllllllllllllllllllllilllliliiiiiiiiiillllllllllllllllllllllllllllllllllllllllllllllllllllllltllllinillllltUllllllllMllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll 


AUTOMATIC  FIRE  DOORS 
UNDERWRITERS  LABELLED 


•  £j,«.VVKTlO/f 


•«/'S.GTtO/C 


K---  Wdth 


Height 

in 

Feet 

Width  of  Opening  8'-0"  to  1 5 

-0" 

Width  of  Opening 
15'-0"to  18'-0" 

Width  of  Opening 
18'-0"to2r-0" 

A 

B 

C 

D 

E 

F 

G 

H 

I 

J 

K 

L 

M 

0 

P 

C 

D  !E  F  G  in 

I 

0, 

D 

E 

F 

G 

H 

1 

L 

M 

0 

O'-  8' 

15" 

16" 

3" 

2M" 

We" 

2^2" 

3K" 

5" 

22" 

24" 

6" 

10" 

2M" 

13" 

4" 

3>16",6"|334",3>4",5" 

5" 

3" 

434" 

734" 

4" 

4" 

5" 

6" 

10" 

12" 

4" 

8'.|0' 

T 

17" 

3" 

2%" 

W" 

2H" 

3^" 

5" 

4M" 

22" 

24" 

6" 

10" 

2y2" 

13" 

4" 

33l6"6"|33^"334"5" 

5" 

3" 

434" 

734" 

4" 

4" 

5" 

6" 

10" 

12" 

4" 

10'.  13' 

17" 

18" 

3" 

2%" 

We" 

23^" 

3M" 

5" 

26" 

26" 

8" 

10" 

2H" 

18" 

4" 

33'i6",6"|33^"|334",5" 

5" 

3" 

434" 

734" 

4" 

4" 

5" 

6" 

12" 

12" 

4" 

13'- 15' 

18" 

19" 

3" 

2%" 

We" 

3" 

3" 

5" 

43^" 

26" 

26" 

8" 

12" 

234" 

18" 

4" 

3316"6"3M"334"5" 

5" 

3" 

434" 

734" 

4" 

4" 

5" 

6" 

12" 

12" 

4" 

15'-20' 

19" 

20" 

3" 

2%" 

We" 

3" 

3" 

5" 

4H" 

26" 

26" 

8" 

12" 

234" 

18" 

4" 

3>i6'36"|3>4'3334'35" 

5" 

3" 

434" 

734" 

4" 

4" 

5" 

6" 

12" 

12" 

4" 

W(0TH  OP  0PENIN& - I 

i-E*'  ‘  UeJ 


Guides  are  shown  fastened  with  through 
Bolts.  Expansion  bolts  are  approved  in 
many  locations. 


Height 

in 

Feet 

Width  of  Opening — 8'-0"  to  15'-0" 

15'-0"to  18'-0' 

18'-0"to2r-0" 

A 

B 

C 

D 

E 

F 

G 

H 

I 

Jl 

1 

C 

D 

El  F 

1 

G 

D 

E 

F 

G  1 

O'.  8' 

15' 

16' 

3' 

2!>16" 

534" 

10' 

12' 

16" 

6' 

4", 

4^! 

6" 

1 

4" 

334" 

6"|10" 

13" 

43^" 

734" 

12" 

15"! 

8'- 10' 

16' 

17' 

3' 

2'M' 

534" 

10' 

12" 

16' 

6" 

4' 

334" 

6"il0" 

13" 

434" 

734" 

12" 

15" 

10'- 13' 

17" 

18" 

3" 

2H" 

534" 

10" 

12" 

24" 

6- 

4" 

334" 

6"ll0" 

1 

13" 

434" 

734" 

12" 

15"! 

1 

13'.15' 

18' 

19' 

3',2!I»'j53i^'|12' 

12'|24'6' 

6", 

4" 

334" 

6"  12' 

13" 

434" 

734" 

12" 

15", 

1 

15'.20' 

19' 

20' 

3'|2%' 

53«'|I2' 

12'|24'6' 

6' 

4' 

334" 

6'  12' 

13' 

434" 734' 

12" 

15" 

1 

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PAGE  29 


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Enrr 


lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllilllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllljj: 


ELL 


Specifications  for  Rolling  Steel  Shutters  and  Doors 


COMMERCIAL  SERVICE  DOORS 


MOTOR  DRIVEN  DOORS 


FIRE  DOORS 


Scope. 

General 

Condition. 

Labels. 


Location. 

Curtain. 


1.  The  Commercial  Service  Doors,  Motor  Driven  Doors,  and  Fire  Doors,  manufactured  by  Cornell  Iron  Works,  Inc.,  will  be 
built  according  to  the  following  specifications,  though  the  type  of  door  desired  only  is  specified. 

2.  The  type,  whether  Commercial  Service,  Alotor  Driven  or  Fire  Door,  should  be  plainly  indicated  on  the  plans. 

3a.  All  fire  doors  shall  bear  the 
proper  label  of  Underwriters’  Labora¬ 
tories,  Inc.,  to  give  minimum  fire 
insurance  rate;  or  carry  their  certificate, 
if  too  large  to  label.  (Note  8b.) 


4.  Doors  shall  be  located  on  face  of  jambs,  Inside,  unless  otherwise  shown, 
of  opening,  in  the  clear,  unless  otherwise  shown. 


They  shall  give  the  full  width  and  height 


5.  The  curtain  shall  be  built  up  of  interlocking  slats,  of  cold  rolled  open  hearth  steel  or  similar  copper  bearing  steel,  1/%" 
in  depth  at  the  crown,  about  3)4"  in  width. 


6.  End  locks  shall  be  riveted  to  each  end  of  alternate  slats,  with  two  galva¬ 
nized,  or  tinned,  rivets.  They  shall  be  made  of  malleable  iron,  or  steel,  at 
least  3/16"  thick.  They  shall  prevent  lateral  motion  of  the  slats  and  shall 
protect  the  slats  against  contact  with  the  side  guides,  taking  up  all  wear. 


6b.  Endlocks  for  fire  wall,  vertical 
shaft  and  partition  doors,  shall  be  con¬ 
tinuous  and  shaped  to  shut  off  the  pass¬ 
age  of  flame  around  the  edges  of  the 
curtain  in  the  guides.  Continuous  end- 
locks  shall  be  shaped  to  nest  into  each 
other,  as  the  curtain  coils,  and  auto¬ 
matically  preserve  the  alignment  of  the 
coil. 

7.  All  slats  shall  be  protected  with  a  coating  of  pure  zinc,  evenly  distributed  before  forming  by  the  electro  process,  and 
shall  stand  two  one-minute  dips  in  a  standard  copper  sulphate  solution,  known  as  the  Preece  test.  The  standard  solution, 
furnished  by  Underwriters’  Laboratories,  Inc.,  shall  be  kept  by  the  manufacturer  in  unbroken  packages  and  he  shall  be 
prepared  to  take  samples,  and  make  tests  in  the  presence  of  the  architect’s  representative  whenever  called  for. 

Note  A  hot  galvanizing,  before  forming,  can  be  furnished  without  extra  charge,  but  is  not  recommended. 

Note  A  hot  galvanizing,  after  forming,  gives  the  heaviest  possible  zinc  covering,  but  takes  a  small  extra. 


Guides. 


Shafts. 


8.  Standard  U.  S.  No.  22  gauge  shall  be  used  for  doors  15'  6"  and  less  wide. 
No.  20  gauge,  shall  be  used  above  this  width  up  to  20'  0";  No.  18  gauge  from 
20'  to  23'  and  No.  16  gauge  for  all  doors  wider  than  23  feet  when  exposed  to 
wind  pressure. 


9.  The  curtain  shall  travel  in  side  guides  securely  fastened  to  the  building  with 
expansion  bolts  for  masonry,  machine  bolts  for  steel.  Each  guide  shall 

consist  of  an  outer  heavy  3"  Zee  Bar,  at  least  thick,  and  an  inner  angle  at 
least  3/16"  thick,  for  doors  up  to  15'  in  width.  An  equally  heavy  construction 
shall  be  used  for  wider  doors.  The  depth  of  the  guides  shall  be  in  proportion  of 
the  width  of  the  door,  as  follows;  up  to  15'  0"  width,  3"  deep  and  increasing 
Yz"  in  depth  for  each  5'  0"  in  width  thereafter. 


8b.  Underwriters’  Laboratories  require¬ 
ments  shall  govern,  unless  wider  than 
15'  6",^  when  No.  8  shall  govern. 

Underwriters  require: 

Class  A,  Fire  Wall  doors.  No.  16 
gauge,  labeled  up  to  80  sq.  ft. 

Class  B  and  C,  Partitions,  etc..  No. 
20  gauge,  labeled  up  to  80  sq.  ft. 

Class  D,  E.xterior,  No.  22  gauge, 
labeled  up  to  100  sq.  ft. 

9b.  The  depth,  sections  and  construc¬ 
tion  of  the  guides  shall  be  governed  by 
the  standards  of  Underwriters’  Labora¬ 
tories,  Inc.,  For  doors  too  large  to  carry 
labels  the  provisions  of  Section  9  shall 
be  the  minimum  allowed. 


10.  The  guides  shall  set  out  from  the  wall,  2"  or  more,  to  compensate  for  the  varying  diameter  of  the  coil  and  minimize 
the  angle  at  which  the  curtain  enters. 


11.  Shafts  shall  be  made  of  heavy  wrought  iron,  or  steel,  pipe,  at  least 
thick  and  of  a  diameter  large  enough  to  insure  a  maximum  deflection  of  not 
more  than  .03  inch  per  foot  of  width. 


11b.  Underwriters’  Laboratory  re¬ 
quirements  shall  govern  size  of  pipe  for 
doors  within  labeling  limits. 


12.  One  or  more  helical  steel  springs  shall  be  mounted  on  the  inner  shaft,  of  dimensions  to  exactly  counterbalance  the 
weight  of  the  door  at  any  point  in  its  travel.  The  springs  shall  be  made  of  oil-tempered  wire  with  japan  finish  baked  on. 
They  shall  be  well  greased  before  inserting  in  the  pipe  and  shall  be  tested  to  25%  overload  before  leaving  the  shop. 


Bearings. 


13.  All  shaft  bearings  shall  be  of  the  oilless  type,  bushed  with  hard  bronze,  having  graphite  inserts  to  provide  self-lubrica¬ 


tion. 


Motor  driven  shaft  bearings  shall  in 
addition  have  provision  for  lubrication 
by  high  pressure  grease  gun  with  oil¬ 
less  bushings  which  will  not  be  affected 
by  grease  or  oil. 


Brackets.  brackets  shall  be  of  armor  plate  unbreakable  construction,  built  up  of 

rolled  steel  sections  riveted  together.  The  main  bearing  shall  be  of  the  self- 
lubricating  oilless  type.  Each  bracket  shall  be  securely  bolted  to  the  heavy  zee 
bar  of  the  side  guide,  making  a  self-contained  construction.  At  least  one  54" 
through  bolt  shall  secure  each  bracket  to  the  wall  for  doors  over  100  sq.  ft.  in 
area. 


14b.  Brackets  may  be  erected  indepen¬ 
dently  of  the  side  guides  and  fastened  by 
at  least  two  Yz"  through  bolts  in  the  wall. 


15.  One  bracket  shall  be  provided  with  a  spring  adjusting  wheel,  conveniently  located  on  its  outside  face,  for  varying 
the  torsion  of  the  spring  to  suit  the  operator. 


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PAGE  30 


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diiiii:i 


Specifications — Continued 


COMMERCIAL  SERVICE  DOORS 


MOTOR  DRIVEN  DOORS 


EIRE  DOORS 


Wiring. 


Operation. 

Control. 


Gearing. 


Electric 

Brake. 

Hood. 

Locks. 

Paint. 

Guarantee. 

Special. 


Automatic 

Device. 


Governors. 

Automatic 
Shutters. 
Baffle  Plate. 


16.  Doors  up  to  80  sq.  ft.  shall  be 
self-coiling,  operated  by  handles  on  the 
bottom  bar,  and  provided  with  a  pole 
and  hook  for  doors  over  seven  ft.  high. 

Doors  above  80  sq.  ft.  shall  be  operat¬ 
ed  by  an  endless  hand  chain,  of  %  "  thick¬ 
ness  links,  galvanized  or  sherardized, 
actuating  a  sprocket  and  turning  the 
shaft  through  a  chain  of  gears. 

Geared  doors  located  on  the  outside 
face  of  the  wall  shall  be  provided  with 
a  hand  crank  operator  to  work  from 
either  side  of  the  wall,  or  a  chain 
operator  to  work  from  the  inside  of 
building. 


19.  All  gears  shall  be  cast  from  ma¬ 
chine  cut,  metal  patterns  and  run  on 
oilless,  self-lubricating  graphite  and 
bronze  bearings.  All  gears  shall  be 
placed  on  the  outside  face  of  the  gear 
bracket  to  facilitate  greasing  and  in¬ 
spection. 

All  gearing  for  exterior  doors,  placed 
on  outside  walls,  shall  be  covered  with 
a  suitable  cast  iron,  or  galvanized  sheet 
steel,  cover. 


15a.  The  controls  specified  below  shall 
be  furnished,  and  erected  where  pos¬ 
sible,  by  the  manufacturer.  All  wiring 
shall  bei  done  by  another  contractor.  The 
manufacturers  shall  furnish  complete 

wiring  diagrams. 

16a.  Doors  shall  be  operated  by  G-E 
electric  motor  of  sufficient  power  to 

give  a  curtain  travel  of  one  foot  per 
second.  The  motor  shall  be  mounted  on 
the  gear  bracket,  direct  connected  and 
self-contained.  An  enclosed  G-E,  or 

Cutler  Hammer,  magnetic  switch  auto¬ 
matic  starter,  shall  be  furnished.  A 

screw  type  limit  switch  shall  be  furnish¬ 
ed,  with  each  door,  direct  connected  to 
the  driving  gears  and  arranged  to  auto¬ 
matically  stop  the  curtain  at  the  top 
and  bottom  of  its  travel,  independently 
of  any  other  control. 

17a.  Sivitch  Control. — A  Trumbull,  or 
Square  D,  reversing  knife  switch  shall 
be  furnished  for  each  door. 

Push  Button  Control. — Alternate. 

Push  button  stations,  as  shown  on 
plans,  with  three  buttons,  each  marked 
UP,  STOP,  DOWN,  shall  be  furnished 
in  connection  with  an  enclosed  type  re¬ 
versing  magnetic  switch,  to  control  the 
movement  of  the  curtain. 

Note:  Push  buttons  and  a  reversing 
knife  switch  are  alternate  controls.  The 
former  are  more  expensive.  Only  one 
switch  can  be  used  per  door,  where 
each  door  can  have  several  push  button 
controls. 

18a.  An  emergency  hand  chain  opera¬ 
tion  shall  be  furnished  with  each  door 

19a.  All  gears  shall  be  machine  cut. 
No  cast  gears  shall  be  used.  The 
motor  pinion  shall  mesh  into  a  noise¬ 
less  micarta,  or  bakelite,  gear.  Worm 
wheel  shall  be  cast  iron  placed  above 
the  steel  worm.  Both  gears  shall  be 
entirely  enclosed,  run  in  oil,  with 
ball  thrust  bearings  either  end  of  worm. 
For  doors  over  400  sq.  ft.  the  motor 
bracket  shall  be  double,  of  open  box 
construction,  and  all  gearing  shall  be 
of  the  spur  type. 

20b.  A  solenoid  type  electric  brake  shall 
be  furnished,  normally  on,  and  locking 
the  mechanism  when  the  current  is  off. 


16b.  Class  A,  16  gauge  doors,  up  to 
60  sq.  ft.,  and  Classes  B,  C  and  D 
doors  up  to  80  sq.  ft.,  shall  be  self- 
coiling  operated  by  handles  on  the  bottom 
bar,  and  provided  with  a  pole  and  hook 
for  doors  over  seven  feet  high. 

Doors  above  these  limits  shall  operate 
by  hand  chain  through  gearing,  or  by 
hand  crank. 

All  automatic  closing  fire  doors, 
operated  by  either  chain  or  crank,  shall 
be  so  arranged  that  all  gearing  will 
automatically  drop  out  of  mesh  upon 
fusing  of  the  link. 

No  gearing  shall  be  left  in  mesh  to 
turn  backward  upon  closing  of  the  door 
with  the  exception  of  one  idler  gear  in 
the  case  of  between  jamb  doors. 


19b.  All  gears  shall  be  cast  fiom  ma¬ 
chine  cut  metal  patterns  and  run  on  oil¬ 
less,  self -lubricating  graphite  and  bronze 
bearings.  All  gears  shall  be  placed  on 
the  outside  face  of  the  gear  bracket  to 
facilitate  greasing  and  inspection. 

All  gearing  for  exterior  doors,  placed 
on  outside  walls,  shall  be  covered  with 
a  suitable  cast  iron,  or  galvanized  sheet 
steel,  cover. 


21.  The  hood  shall  consist  of  22-gauge  galvanized  sheet  steel  curved  to  fit  the  cylindrical  coil  of  the  door  when  the  curtain 
is  up.  The  hood  shall  be  properly  fastened  to  the  brackets  and  the  face  of  the  lintel.  The  lower  edge  shall  be  reinforced 

with  a  1%"  diameter  roll, 

22.  Self-coiling  doors  shall  lock  into  the  sides  guides  at  the  bottom  with  a  sliding  bolt  either  side.  Chain-operated  doors 

shall  have  a  locking  device  for  the  chain  riveted  to  the  guide.  Crank-operated  doors  shall  have  a  device  to  lock  the  vertical 

shaft  against  rotation.  Padlocks  are  not  furnished  by  this  contractor. 

23.  All  material  shall  receive  one  coat  of  oxide  and  oil  paint  before  leaving  the  shop. 

24.  All  doors  shall  be  guaranteed  against  defective  material  or  workmanship  for  a  period  of  one  year  after  installation. 

25.  An  alternate  extra  price  shall  be  made  on  using  Cornell  non-corroding  curtain  bottom,  12"  or  18"  up,  for  all  exterior 

doors.’’  Note — A  special  pamphlet  describes  this  feature  in  detail. 


FIRE  DOORS  (CONTINUED) 

26b.  Automatic  devices  shall  be  arranged  to  release  and  close  the  door  upon  the  melting  of  an  Underwriters  Labeled  fuse 
link.  The  door  shall  be  arranged  to  operate  normally  independently  of  the  automatic  device.  Automatic  doors  shall 
be  furnished  with  a  device  to  give  a  powerful  starting  force  in  closing.  The  contacts  of  the  releasing  device  shall  be 
formed  with  brass  rollers.  No  sliding  friction  shall  occur  in  releasing  the  spring  power.  All  bearings  of  the  automatic 
release  and  starter  shall  be  oilless  self-lubricating. 

27  b.  Governors  for  uniform  speed  of  closing  shall  be  of  the  escapement  type.  Governors  for  retarded  landing  only  may 
be  of  the  centrifugal  type.  Doors  where  either  type  of  governor  is  required  are  so  indicated  on  the  plans. 

28b.  Paragraphs  26b  and  27b  are  included:  Shutters  shall  be  arranged  for  testing  from  inside  the  building  and  reset¬ 
ting  from  the  same  point.  All  gearing  and  releasing  mechanism  shall  be  completely  covered.  All  gearing  shall  auto¬ 
matically  drop  out  of  mesh  upon  release  of  the  automatic. 

29b.  An  automatic  baffle  plate  flame  stop  shall  be  furnished  inside  the  hood  for  all  Class  A,  B  and  C  Doors. 


Note. — Cornell  Iron  Works,  Inc.,  will  gladly  furnish  scale  details  for  all  types  of  doors,  so  that  the  mechanical 
necessities  may  be  fitted  to  the  architectural  treatment. 


. . . 

PAGE  31 


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^  rORNELL 

liDLLING  DOORS 


A  Partial  List  of  Customers 


Carrere  &  Hastings 
Irwin  T.  Catherine 
Densmore,  Le Clear  &  Robbins 
Ralph  Harrington  Doane 
Fay,  Spofford  &  Thorndyke 
Thomas  W.  Lamb 


ARCHITECTS  AND  ENGINEERS 

Lockwood  Greene  &  Co. 

Charles  T.  Main 
McKim,  Mead  &  White 
Monks  &  Johnson 

Parsons,  Klapp,  Brinckerhof?  &  Douglas 
Sanderson  &  Porter 


Stone  &  Webster 
Warren  &  Wetmore 
J  G.  White  Eng.  Corp. 
John  T.  Windrim 


CONTRACTORS 


Aberthaw  Const.  Co. 
Chase  &  Gilbert 
Consolidated  Eng.  Co. 
Crowell  &  Little  Co. 
Fegles  Const.  Co. 


B.  &  O.  R.  R. 

Boston  &  Maine 
D.  L.  W.  R.  R. 

Duluth,  Missabe  &  Northern  R.  R. 


City  of  Cleveland 
W.  S.  Barstow  M’g’nt  Asso. 
Baton  Rouge  Electric  Co. 
Interboro  Rapid  Transit  Co. 
Iowa  Rwy.  &  Light  Co. 


Amer.  Rwy.  Express  Co. 
Atlantic  &  Pacific  Co. 
Clyde  Line 
Wm.  R.  Grace  &  Co. 


American  Can  Co. 

American  Smelting  &  Refining  Co. 
Amer.  Tobacco  Co. 

American  Woolen  Co. 

Armour  &  Co. 

Arrowhead  Springs  Corp. 

Cudahy  Packing  Co. 

Eastman  Kodak  Co. 
h'ord  Motor  Co. 


George  A.  Fuller  Co. 
The  Foundation  Co. 
Industrial  Eng.  Co. 
Fred  T.  Ley  Co. 

M.  A.  Long  Co. 


RAILROADS 

Erie  R.  R. 

Florida  E.  C.  R.  R. 

L.  &  N.  R’way 
Long  Island  R.  R. 

N.  Y.  Central  Lines 


Marc  Eidlitz  Co. 

James  Stewart  &  Co. 
Thompson  Starrett  Co. 
Turner  Const.  Co. 


Pennsjdvania  R.  R. 
Pere  Marquette  R.  R. 
P.  &  R.  R.  R. 

Santa  Fe  R.  R. 


PUBLIC  SERVICE  CORPORATIONS 

City  of  Los  Angeles  Fire  Dept. 

New  England  Tel.  &  Tel.  Co. 

N.  Y.  Edison  Co. 

Panama  Electric  Co. 

Penn.  Edison  Co. 


Phoenix  Utility  Co. 

Public  Service  Co.  of  N.  J. 

Terre  Haute,  Ind.  &  Eastern  Traction 
Co. 


MISCELLANEOUS 

Eastern  S.  S.  Co. 

Madison  Square  Garden 
Mallory  S.  S.  Co. 

Sesqui  Centennial  Buildings. 


INDUSTRIAL  CONCERNS 

General  Baking  Co. 

General  Motors  Co. 

International  Harvester  Co. 
Kirkman  &  Sons 
McClintic  Marshall  Co. 

Mexican  Petroleum  Co. 

National  Biscuit  Co. 

Otis  Elevator  Co. 

Pillsburv  Flour  Mills 


United  Fruit  Co. 
U.  S.  Army 
U.  S.  Navy 


Standard  Oil  Co. 

Swift  &  Co. 

Tiffany  &  Co. 

U.  S.  Steel  Corp. 

Ward  Baking  Co. 

F.  W.  Wool  worth  Co. 
Youngstown  Sheet  &  Tube  Co. 


Cornell  Rolling  Steel  Doors  are  in  service  in  nearly  every 
large  city  in  the  United  States— Ask  for  nearby  installations 


in 


PAGE  32 


DESIGNED  BY  STEUERMAN  SERVICE,  NEW  YORK 


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